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针对永久性锚杆的水化学腐蚀特性,从地下水环境下锚杆钢筋锈蚀原理出发,建立了杆体锈蚀过程的物理模型,以变化的钢筋锈蚀率为分析变量,建立了杆体锈蚀后的直径计算式和修正的锚杆极限承载力的标准值。
According to the chemical corrosion characteristics of permanent anchor, the physical model of the corrosion process of the anchor rod was established based on the principle of corrosion of the anchor steel bar in the groundwater environment. With the change of the corrosion rate of the steel rod as the analysis variable, the diameter formula And revised standard value of ultimate bearing capacity of anchor.